16 bit QT (well 10bit uncompressed)

comes up with random noise. So I click it to “Convert to 8 Bit” as per one of our other discussions and I get “IPC protocol error: Incorrect message id receiced”

Windows or Mac? Can you post a small example clip? It could be a slate or something, provided it shows the same behaviour.

mac. I think it might be coming from an Avid.
I’ll see if I can track down a small version that does it. I might not be able to create a non-usable one on my machine, though. And I probably can’t post my client’s shots.